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(2010 WC9)
Classification: Apollo [NEO]          SPK-ID: 3552664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2841943382183108 1.4402e-07  
a 1.06909984700064 1.9297e-07 au
q .7652677234929957 2.7426e-07 au
i 17.68020301704094 2.0322e-05 deg
node 54.61345027131205 8.3206e-06 deg
peri 275.9479465787393 4.3441e-05 deg
M 235.1932587561381 0.00025611 deg
tp 2459536.478511470811
(2021-Nov-17.97851147)
0.00032513 TDB
period 403.7623579244793
1.11
0.00010932
2.993e-07
d
yr
n .8916135764873241 2.414e-07 deg/d
Q 1.372931970508284 2.4781e-07 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      2723 days (7.46 yr)  
   first obs. used      2010-11-30  
   last obs. used      2018-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .26816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:31:48  

Additional Information
 Earth MOID = .00140807 au 
 Jupiter MOID = 3.99507 au 
 T_jup = 5.695 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.5   n/a MPO543622  
rotation period rot_per 0.18469 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 366-379.]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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